var CreatedOKLodop7766 = null;

//====判断是否需要安装CLodop云打印服务器:====
function needCLodop() {
  try {
    var ua = navigator.userAgent;
    if (ua.match(/Windows\sPhone/i) != null) return true;
    if (ua.match(/iPhone|iPod/i) != null) return true;
    if (ua.match(/Android/i) != null) return true;
    if (ua.match(/Edge\D?\d+/i) != null) return true;
    if (ua.match(/QQBrowser/i) != null) return false;
    var verTrident = ua.match(/Trident\D?\d+/i);
    var verIE = ua.match(/MSIE\D?\d+/i);
    var verOPR = ua.match(/OPR\D?\d+/i);
    var verFF = ua.match(/Firefox\D?\d+/i);
    var x64 = ua.match(/x64/i);
    if (verTrident == null && verIE == null && x64 !== null) return true;
    else if (verFF !== null) {
      verFF = verFF[0].match(/\d+/);
      if (verFF[0] >= 42) return true;
    } else if (verOPR !== null) {
      verOPR = verOPR[0].match(/\d+/);
      if (verOPR[0] >= 32) return true;
    } else if (verTrident == null && verIE == null) {
      var verChrome = ua.match(/Chrome\D?\d+/i);
      if (verChrome !== null) {
        verChrome = verChrome[0].match(/\d+/);
        if (verChrome[0] >= 42) return true;
      }
    }
    return false;
  } catch (err) {
    return true;
  }
}

//====页面引用CLodop云打印必须的JS文件：====
if (needCLodop()) {
  var head = document.head || document.getElementsByTagName('head')[0] || document.documentElement;
  var oscript = document.createElement('script');
  var ishttps = 'https:' == document.location.protocol ? true : false;

  if (ishttps) {
    oscript.src = 'https://localhost:8443/CLodopfuncs.js?priority=1';
    head.insertBefore(oscript, head.firstChild);
    //本机云打印的后补端口8444：
    oscript = document.createElement('script');
    oscript.src = 'https://localhost:8444/CLodopfuncs.js?priority=2';
    head.insertBefore(oscript, head.firstChild);
  } else {
    oscript.src = 'http://localhost:8000/CLodopfuncs.js?priority=1';
    head.insertBefore(oscript, head.firstChild);
    //本机云打印的后补端口8001：
    oscript = document.createElement('script');
    oscript.src = 'http://localhost:8001/CLodopfuncs.js?priority=2';
    head.insertBefore(oscript, head.firstChild);
  }
}

//====获取LODOP对象的主过程：====
function getLodop(oOBJECT, oEMBED) {
  var strHtmInstall = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='http://localhost:8081/openPlatform-admin/downFile.do?fileName=install_lodop32.exe' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
  var strHtmUpdate = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='http://localhost:8081/openPlatform-admin/downFile.do?fileName=install_lodop32.exe' target='_self'>执行升级</a>,升级后请重新进入。</font>";
  var strHtm64_Install = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='http://localhost:8081/openPlatform-admin/downFile.do?fileName=install_lodop64.exe' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
  var strHtm64_Update = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='http://localhost:8081/openPlatform-admin/downFile.do?fileName=install_lodop64.exe' target='_self'>执行升级</a>,升级后请重新进入。</font>";
  var strHtmFireFox = "<br><br><font color='#FF00FF'>（注意：如曾安装过Lodop旧版附件npActiveXPLugin,请在【工具】->【附加组件】->【扩展】中先卸它）</font>";
  var strHtmChrome = "<br><br><font color='#FF00FF'>(如果此前正常，仅因浏览器升级或重安装而出问题，需重新执行以上安装）</font>";
  var strCLodopInstall = "<br><font color='#FF00FF'>CLodop云打印服务(localhost本地)未安装启动!点击这里<a href='../common/downFile.do?fileName=CLodop_Setup_for_Win32NT.exe' target='_self'>执行安装</a>,安装后请刷新页面。</font>";
  var strCLodopUpdate = "<br><font color='#FF00FF'>CLodop云打印服务需升级!点击这里<a href='../common/downFile.do?fileName=CLodop_Setup_for_Win32NT.exe' target='_self'>执行升级</a>,升级后请刷新页面。</font>";
  var LODOP;
  try {
    var isIE = navigator.userAgent.indexOf('MSIE') >= 0 || navigator.userAgent.indexOf('Trident') >= 0;
    if (needCLodop()) {
      try {
        LODOP = getCLodop();
      } catch (err) {}
      if (!LODOP && document.readyState !== 'complete') {
        /*alert("C-Lodop没准备好，请稍后再试！");*/ return;
      }
      if (!LODOP) {
        if (isIE) document.write(strCLodopInstall);
        alert(strCLodopInstall);
        return;
      } else {
        if (CLODOP.CVERSION < '2.0.6.8') {
          if (isIE) document.write(strCLodopUpdate);
          else alert(strCLodopUpdate);
        }
        if (oEMBED && oEMBED.parentNode) oEMBED.parentNode.removeChild(oEMBED);
        if (oOBJECT && oOBJECT.parentNode) oOBJECT.parentNode.removeChild(oOBJECT);
      }
    } else {
      var is64IE = isIE && navigator.userAgent.indexOf('x64') >= 0;
      //=====如果页面有Lodop就直接使用，没有则新建:==========
      if (oOBJECT != undefined || oEMBED != undefined) {
        if (isIE) LODOP = oOBJECT;
        else LODOP = oEMBED;
      } else if (CreatedOKLodop7766 == null) {
        LODOP = document.createElement('object');
        LODOP.setAttribute('width', 0);
        LODOP.setAttribute('height', 0);
        LODOP.setAttribute('style', 'position:absolute;left:0px;top:-100px;width:0px;height:0px;');
        if (isIE) LODOP.setAttribute('classid', 'clsid:2105C259-1E0C-4534-8141-A753534CB4CA');
        else LODOP.setAttribute('type', 'application/x-print-lodop');
        document.documentElement.appendChild(LODOP);
        CreatedOKLodop7766 = LODOP;
      } else LODOP = CreatedOKLodop7766;
      //=====Lodop插件未安装时提示下载地址:==========
      if (LODOP == null || typeof LODOP.VERSION == 'undefined') {
        if (navigator.userAgent.indexOf('Chrome') >= 0) alert(strHtmChrome);
        if (navigator.userAgent.indexOf('Firefox') >= 0) alert(strHtmFireFox);
        if (is64IE) document.write(strHtm64_Install);
        else if (isIE) document.write(strHtmInstall);
        else alert(strHtmInstall);
        return LODOP;
      }
    }
    if (LODOP.VERSION < '6.2.0.8') {
      if (needCLodop()) alert(strCLodopUpdate);
      else if (is64IE) alert(strHtm64_Update);
      else if (isIE) alert(strHtmUpdate);
      else alert(strHtmUpdate);
      return LODOP;
    }
    //===如下空白位置适合调用统一功能(如注册语句、语言选择等):===
    LODOP.SET_LICENSES('', '8547576574263FCEE0D67DA8BFE4BECC', 'C94CEE276DB2187AE6B65D56B3FC2848', '');
    //===========================================================
    return LODOP;
  } catch (err) {
    alert('getLodop出错:' + err);
  }
}
